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Agniveer Vayu or IAF Group X 13 July 2021 Shift 3 Paper

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Question : 49

Total: 70

What is the principal value of $ sin \;^{−1}⁡ ( sin \;⁡\;{2π\;}/{3}) $?

$\;{π\;}/{3}$
$−\;{π\;}/{3}$
$\;{π\;}/{6}$
$\;{2π\;}/{3}$

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